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Answer a few questions and get a short list, with the reasons.

11 providers fit what you need

11 providers cover everything you asked for. Add a detail or two below — your industry, language or the tools you use — to tell them apart.

1

Vonage

Messaging, voice, video and verification APIs, now part of Ericsson, with a contact-centre product alongside.

Strong match100
  • Carries: Viber
  • Video, voice and messaging from one vendor

Check first: Confirm sender-ID registration and WhatsApp onboarding timelines for each country you send to

Full profile
2

Zendesk

Customer-service suite whose messaging brings web, in-app and social channels into the same agent workspace as email tickets.

Strong match100
  • Carries: Viber
  • Messaging, email and tickets in one workspace

Check first: Telegram, Viber and Apple Messages need a separate Sunshine Conversations licence

Full profile
3

Telesign

Verification, fraud-signal and messaging APIs, part of Proximus Global alongside Route Mobile and BICS.

Strong match100
  • Carries: Viber
  • Several verification channels behind one Verify API

Check first: The multi-channel Messaging API is for full-service accounts only, and RCS needs setup with support

Full profile
Next: see them side by sidePrices, channels, coverage and what to ask each one, on one page.

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Optional

Answer any of these and the list re-orders instantly. Skip what you don't know.

Your industryAny
Your customers' languageAny
Your company sizeAny
Tools you already useAny
CRM
ERP
Help desk
Commerce & bookings
Calendars & meetings
Automation
How you want to set it upAny

Not technical? Choose a ready-to-use service. Developers can choose an API.

PricesAny
Every channel you picked is a mustAny

Other providers that fit (8)

  • 8x8 Communication APIs8x8's CPaaS, built on the 2019 Wavecell acquisition: SMS, chat-app messaging, voice and video interaction APIs.
    Strong match100
  • MittoSwiss CPaaS that grew out of SMS aggregation: SMS, WhatsApp, Viber, RCS and voice over direct carrier connections.
    Strong match100
  • respond.ioOmnichannel conversation platform with AI agents, workflows and CRM connectors, priced by plan and monthly active contacts.
    Strong match100
  • GMS (Global Message Services)Swiss messaging company serving both mobile operators and enterprises: A2P traffic and firewalls for carriers, and a single API for SMS, Viber, WhatsApp and push.
    Strong match100
  • PreludeParis-based phone and email verification API that routes one-time codes across SMS, RCS, WhatsApp, Telegram and Viber, with built-in fraud screening.
    Strong match100
  • CM.comDutch, Euronext-listed messaging platform: one API for SMS, WhatsApp, RCS and Viber, with chatbots, ticketing and payments alongside.
    Strong match100

Read before you decide

How these were ranked

Ranked only on how well each provider's checkable facts fit your answers. No one pays to appear, and no one can pay to rank — including products that share our owner.

72in the catalogue
11fit well enough to show
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